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#!/bin/sh
# malternative - multipart/alternative decoding policy
{
echo "Content-Type: $PIPE_CONTENTTYPE"
echo
cat
} | mshow -t /dev/stdin | awk '
BEGIN { split("", ct) }
/^ [0-9]/ { ct[++n] = $2 }
function prefer(t) { for (i in ct) if (ct[i] == t) exit(64+i) }
END {
prefer("text/plain")
prefer("text/html")
exit 64+1 # default to first part
}'
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